:root {
  --primary-color: #2563eb; 
  --primary-light: #3b82f6; 
  --primary-dark: #1e40af; 
  --secondary-color: #7c3aed; 
  --accent-color: #06b6d4; 
  --background-light: #f8fafc; 
  --background-dark: #0f172a; 
  --text-primary: #1e293b; 
  --text-secondary: #64748b; 
  --text-light: #f8fafc; 
  --success-color: #10b981; 
  --warning-color: #f59e0b; 
  --danger-color: #ef4444; 
  --border-color: #e2e8f0; 
  --border-radius: 12px; 
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
  --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); 
  --transition: all 0.3s ease; 
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: var(--text-primary);
  background-color: var(--background-light);
  line-height: 1.6;
}

.card {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 1.5rem;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: white;
}

.input-field {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
}